PDA

View Full Version : Slow Motion


sssnr
22nd January 2007, 08:11
We have beena asked to film a building being demolished and normally shoot on a Sony HVR Z1 in HDV.

Can anyone reccomend a camera that we could use in conjunction with our Z1's to film the action in slow mo...?

Thanks

Sarah

harlequin
22nd January 2007, 10:57
You mean something to shoot many hundred frames a second.

Alan Roberts will know , as will a few others.

Alan Roberts
22nd January 2007, 11:20
Normal tv can't do it. Use either film, or a specialist high speed video camera. There's quite a few around, search in Google. There are even some splendid ones that do HD at 100 f/s and more.

StevenBagley
22nd January 2007, 12:51
One option would be to set the Z1 into 60Hz mode during filming and then alter the timebase to 50Hz in the computer for playback -- that'd give you an 85% or so slowdown.

Steven

fuddam
22nd January 2007, 13:12
just read about that Phantom HD camera. possibly a bit expensive, but then it does do 1000/frames second in full HD

would that be sufficient?

;)

mooblie
22nd January 2007, 13:42
Doesn't the V1 have a slow motion mode? Only six seconds, but might be worth investigating?

Alan Roberts
22nd January 2007, 13:43
It'll take a bit more than 60/50 slow down, I'd guess the camera would need to run at 150 or more to get a sensible shot. Tornado and Phantom will both go to 1000 in HD, Tornado does 200 in SD, but both are very expensive. If 2.4:1 slowdown is enough, Panasonic Varicam (HDC27F or 27H) would do, or the HVX200. Also, the US version of the JVC 200 series will go to 60.

You need to know what you want before going any further.

Steamage
23rd January 2007, 15:03
There is a discussion of how to turn 60i into 24p slow-motion in this thread (http://www.dvinfo.net/conf/showthread.php?t=83550) over on DVinfo.net. It uses the example of a US-spec Canon XH-A1 and Final Cut Pro on a Mac, but if a 50% slow down (50i -> 25p) is good enough, then I guess the method could be applied to any European camera.

BTW, if you have a PAL Canon XHA1, XH-G1 or XL-H1, you can have them converted by Canon to add 24f, 30f and 60i frame-rates as well as 25f & 50i. The cost is $500 in the US, though I'm not sure what Canon UK charge.

simond83
24th January 2007, 19:55
A sony mav can be hired quite cheaply and will do 75fps